Marquis reagent — Metaqualone
No reaction
Methaqualone (Quaaludes, Mandrax, Sopor, Quack, Vitamin Q, Soaper, qualudes)
Source text (English): no color change
There are more substances than colors, so to increase analysis precision use a kit with multiple reagents. Exact color of a reaction depends on adulteration, quantity, lighting, temperature, exposure to air, storage, as well as reagent quality and degradation. Positive or negative result does not indicate if a substance is safe. No substance is 100% safe.
metaqualone · Methaqualone (Quaaludes, Mandrax, Sopor, Quack, Vitamin Q, Soaper, qualudes) · Methaqualone · Quaaludes · Mandrax · Sopor · Quack · Vitamin Q · Soaper · qualudes

No reaction
Methaqualone (Quaaludes, Mandrax, Sopor, Quack, Vitamin Q, Soaper, qualudes)
Source text (English): no color change
No reaction
Methaqualone (Quaaludes, Mandrax, Sopor, Quack, Vitamin Q, Soaper, qualudes)
Source text (English): no color change
Yellow · Orange
Methaqualone (Quaaludes, Mandrax, Sopor, Quack, Vitamin Q, Soaper, qualudes)
Source text (English): Very orange yellow
No reaction
Methaqualone (Quaaludes, Mandrax, Sopor, Quack, Vitamin Q, Soaper, qualudes)
Source text (English): no blue color change
Colour swatches are illustrative, not measured colour values or reaction timing. Original reference observations are preserved below each result.